Dave,

Spectrum Scale does not support de-duplication, it does support compression. 
You can however use block storage that supports over subscription / thin 
provisioning / deduplication for data only NSD’s, we do not recommend them for 
metadata.

In your scenario is user B planning on making changes to the data which is why 
you need a copy? 

I know of customers that do this regularly with block storage such as the IBM 
Flashsystem product family In conjunction with IBM Spectrum Copy Data 
Management.  But I don’t believe CDM supports file based storage.

Regards, 

Andrew Beattie
Technical Sales Specialist
Storage for Data and AI
IBM Australia and New Zealand
P. +61 421 337 927
E. abeat...@au1.ibm.com

> On 20 May 2021, at 22:58, Dave Bond <davebond7...@gmail.com> wrote:
> 
> 
> This Message Is From an External Sender
> This message came from outside your organization.
> 
> 
> Hello
> 
> As part of a project I am doing I am looking if there are any de duplication 
> options for GPFS?  I see there is no native de dupe for the filesystem. The 
> scenario would be user A creates a file or folder and user B takes a copy 
> within the same filesystem, though separate independent filesets.  The 
> intention would be to store 1 copy.    So I was wondering ....
> 
> 1) Is this is planned to be implemented into GPFS in the future?
> 2) Is anyone is using any other solutions that have good GPFS integration?
> 
> Dave

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